Home / 170,998.01-256,496.49-120,187.85

Finding the Fourth Proportional to 170,998.01, 256,496.49 and 120,187.85

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Solution

The fourth proportional to 170,998.01, 256,496.49 and 120,187.85 is: 180,281.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,998.01 : 256,496.49 = 120,187.85 : x
  2. Step 2: Convert to fraction form
    170,998.01/256,496.49 = 120,187.85/x
  3. Step 3: Cross multiply
    170,998.01x = 256,496.49 × 120,187.85
  4. Step 4: Simplify right side
    170,998.01x = 30,827,761,665.65
  5. Step 5: Solve for x
    x = 30,827,761,665.65/170,998.01
  6. Step 6: Final answer
    x = 180,281.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.